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Flashcards in female mating strategies Deck (14)
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1
Q

matrilinnes primates?

A

orangutans

some prosimians (mouse llemurs, galago)

2
Q

what is a matrilline

A

an individual is considered to belong to the same descent group as their mother.

3
Q

advantages of matrillines

A

protection and survival
shared parenting
shared feeding strategy

4
Q

advantages of a polygynandrous system for a female

A

variance of genes
more protection
more defense

(IF lots of food to go around)

5
Q

challenges for male in polygynandrous systems

A
  1. dominance hierarchies (male to male competition)
  2. female cooperation
  3. intergroup encounters
6
Q

why might a female decide to engage in an extra-group copulation

A
  1. more disease resistance in the offspring
  2. allows outsider to enter
  3. less agression faced than all the male
7
Q

why would a male have a large testes?

A

if there is seasonal breeding= high sperm competition in polygynandrous society
i.e. ring tailed lemurs

8
Q

examples of seasonal changes in males during breeding season

A
  1. large testes
  2. more testoestrone
  3. seonal weight gain to be bigger
9
Q

examples of males that go through seasonal metaphormissi

A

central american squirrel monkey, sifaka, capuchins

10
Q

van shiek

A

looked at interspecies variation in dirunal primates of females

11
Q

what does van shiek suggestabout female social relationships

A

competition within groups take into acocunt preadtory safety/infancitide

but between/within resource compeititon decides social relationships

12
Q

female fitness

A

of succesfully raised offspring

depends on:

  1. food quality/quantity
  2. level of safety
13
Q

scramble competition

A

lots of food= net food intake of all equally affected by increase in population density

14
Q

contest competitiont

A

limited resources= dominant/territory owners get more than lowers